code: def test_callable(self, device, dtype):
      data = torch.ones(2, device=device, dtype=dtype)
      x = TensorWrapper(data)
      y = (x * x).sum(-1, True)
      self.assert_close(y, torch.ones_like(y) * 2)
  
file_path: kornia/test/core/test_tensor_wrapper.py
imports: import pytest
  import torch
  from kornia.core import Tensor
  from kornia.core.tensor_wrapper import TensorWrapper, unwrap, wrap
  from kornia.testing import BaseTester
label_desc: Use image node_id 6 for calling the TestTensorWrapper obj's underlying member method code with example usage: obj.test_callable(device, dtype) without return types